Display panel or portion thereof with a mixed reality graphical user interface



FIG. 1 shows a display panel or portion thereof with a first embodiment of a mixed reality graphical user interface;

FIG. 2 shows a display panel or portion thereof with a second embodiment of a mixed reality graphical user interface;

FIG. 3 shows a display panel or portion thereof with a third embodiment of a mixed reality graphical user interface;

FIG. 4 shows a display panel or portion thereof with a fourth embodiment of a mixed reality graphical user interface;

FIG. 5 shows a display panel or portion thereof with a fifth embodiment of a mixed reality graphical user interface;

FIG. 6 shows a display panel or portion thereof with a sixth embodiment of a mixed reality graphical user interface;

FIG. 7 shows a display panel or portion thereof with a seventh embodiment of a mixed reality graphical user interface;

FIG. 8 shows a display panel or portion thereof with an eighth embodiment of a mixed reality graphical user interface;

FIG. 9 shows a display panel or portion thereof with a ninth embodiment of a mixed reality graphical user interface;

FIG. 10 shows a display panel or portion thereof with a tenth embodiment of a mixed reality graphical user interface;

FIG. 11 shows a display panel or portion thereof with an eleventh embodiment of a mixed reality graphical user interface; and,

FIG. 12 shows a display panel or portion thereof with a twelfth embodiment of a mixed reality graphical user interface.

The outermost long dashed double-short dashed broken lines show the display panel or portion thereof, and form no part of the claimed design. The remaining broken lines are illustrating the graphical user interface or a mixed reality environment, and form no part of the claimed design. 

CLAIM The ornamental design for a display panel or portion thereof with a mixed reality graphical user interface, as shown and described. 